838247064 has 32 divisors (see below), whose sum is σ = 2097299520. Its totient is φ = 279191456.

The previous prime is 838247051. The next prime is 838247077. The reversal of 838247064 is 460742838.

838247064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (838247051) and next prime (838247077).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18007 + ... + 44729.

It is an arithmetic number, because the mean of its divisors is an integer number (65540610).

Almost surely, 2^838247064 is an apocalyptic number.

It is an amenable number.

838247064 is an abundant number, since it is smaller than the sum of its proper divisors (1259052456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

838247064 is a wasteful number, since it uses less digits than its factorization.

838247064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28039 (or 28035 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 42.

The square root of 838247064 is about 28952.4966799066. The cubic root of 838247064 is about 942.8820044081.

The spelling of 838247064 in words is "eight hundred thirty-eight million, two hundred forty-seven thousand, sixty-four".